Metre - Wikipedia
WEBThe metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1 299 792 458 of a second, where the second is defined by a hyperfine transition frequency of caesium. [2]
Meter Definition & Meaning - Merriam-Webster
WEBMeter is a metric measurement slightly longer than a yard; thus, a 100-meter dash might take you a second longer than a 100-yard dash. But the word has a different sense in music, where people aren't separated by whether they use the metric system.
Metre (m) | Britannica
WEBApr 12, 2024 · metre (m), in measurement, fundamental unit of length in the metric system and in the International Systems of Units (SI). It is equal to approximately 39.37 inches in the British Imperial and United States Customary systems.
METER Definition & Meaning | Dictionary.com
WEBMeter definition: the fundamental unit of length in the metric system, equivalent to 39.37 U.S. inches, originally intended to be, and being very nearly, equal to one ten-millionth of the distance from the equator to the pole measured on a meridian: defined from 1889 to 1960 as the distance between two lines on a platinum-iridium bar (the ...
METER | definition in the Cambridge English Dictionary
WEBMETER meaning: 1. a device that measures the amount of something that is used: 2. the device in a taxi that…. Learn more.
METER | English meaning - Cambridge Dictionary
WEBmeter noun (DEVICE) [ C ] a device that measures the amount of gas, water, or electricity used. [ C ] In a taxi (= car whose driver you pay to take you somewhere), a meter is the …
METRE | English meaning - Cambridge Dictionary
WEBa unit of measurement equal to 100 centimetres: The bomb shelter has concrete walls that are three metres thick. a 15-metre yacht. She won the 100 metres (= a race run over …
Meter | NIST - National Institute of Standards and Technology
WEBMay 9, 2019 · A meter would be defined as a precise number of multiples of this wavelength. In 1951, NIST distributed 13 “Meggers lamps” to scientific institutions and industry labs. The agency sought to further increase the precision of its technique for redefining the meter.
Meter to Feet and Inches (m to ft in) - Metric Conversion
WEBApr 23, 2024 · A meter is a unit of length in the metric system, and it is equivalent to 100 centimeters or 1,000 millimeters. It is the base unit of length in the International System of Units (SI) and is widely used around the world for measuring distances.
metre noun - Definition, pictures, pronunciation and usage notes ...
WEBa unit for measuring length; a hundred centimetres. a 50-metre swimming pool. Every few metres the cat stopped and turned to look at me. Over 3 700 square metres of office space is available. The huge sculpture is made of 500 cubic metres of ice. an athlete running at 10 metres per second. Topics Maths and measurement a1.
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